Homeland Security, FBI Don't Know of Any Plans to Carry Out Attack on the U.S.

The U.S. said it doesn't know of any "specific, credible" threats to America related to developments in Iraq and Syria, but top U.S. officials said they have been in close contact with the U.K. government, which raised its domestic threat level on Friday.

U.S. Secretary of Homeland Security Jeh Johnson said in a statement Friday that the Department of Homeland Security and the Federal Bureau of Investigation don't...